1 to 25 of 255 Performance Optimisation Jobs in London

mobile application, leading its development from 0 to 1. This role will be crucial in establishing the foundation of our mobile experience, ensuring high performance, scalability, and adherence to best practices from day one. As a key player, you'll also be instrumental in upskilling our existing React developers … What You'll Be Doing: Lead Mobile Application Development: Lead the development of our new mobile application, ensuring it delivers a seamless and high-performance user experience across both iOS and Android. Own the architecture and make critical technical decisions, establishing best practices for mobile development from the outset. … transition into React Native and mobile development. Share best practices and knowledge to improve the team's overall mobile development competency. Ensure Mobile App Performance: Ensure mobile app performance is optimal across different devices and platforms, focusing on speed, responsiveness, and stability. Use mobile performance optimisation More ❯

mobile application, leading its development from 0 to 1. This role will be crucial in establishing the foundation of our mobile experience, ensuring high performance, scalability, and adherence to best practices from day one. As a key player, you'll also be instrumental in upskilling our existing React developers … What You'll Be Doing: Lead Mobile Application Development: Lead the development of our new mobile application, ensuring it delivers a seamless and high-performance user experience across both iOS and Android. Own the architecture and make critical technical decisions, establishing best practices for mobile development from the outset. … transition into React Native and mobile development. Share best practices and knowledge to improve the team's overall mobile development competency. Ensure Mobile App Performance: Ensure mobile app performance is optimal across different devices and platforms, focusing on speed, responsiveness, and stability. Use mobile performance optimisation More ❯

Warehouse: Take ownership of our Snowflake platform to ensure it is a highly efficient and accessible resource for the business. Implement best practices for performance optimisation, scalability, and cost management, empowering teams to access and utilise data seamlessly. Streamline Data Pipelines: Lead the development and optimisation of … the adoption of innovations that enhance our data engineering capabilities, ensuring we remain competitive and forward-thinking. The requirements Essential: Expertise in Snowflake, including performance optimisation, cost management, and advanced data warehousing techniques. Experience in designing and implementing scalable data architectures that meet the needs of complex, data … But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our More ❯

Croydon Length: 6 Months Rate: £400 per day (Inside IR35) The Role: Daily status reporting of all database services to relevant stakeholders Monthly Database Performance Optimisation Reports that include recommendations on tuning improvement actions Monthly Cloud Infrastructure Performance Optimisation Reports that include recommendations on relevant improvement More ❯

ph PAYE Hours: Full-time; 40-hour week We re looking for a data-driven and execution-focused Growth & Media Marketing Manager to lead performance marketing and platform growth strategies. This role is ideal for someone with a passion for experimentation, performance optimisation, and a sharp eye … You will play a key role in driving customer acquisition, engagement, and retention through data-led decision-making and agile execution. Own and drive performance and growth marketing initiatives across digital channels (paid social, display, video, etc.) Lead platform development and execution , ensuring scalability and optimisation Translate performance data into clear documentation, insights, and product reporting Deep understanding of A/B testing and experimentation frameworks Strong grasp of performance media platforms and tools Proficiency in data analysis tools (e.g., Looker, SQL, Google Analytics, or similar) Strong project management skills with the ability to handle multiple More ❯

services to clients across various industries, with a focus on cutting-edge technology and data-driven decision-making. Job Description Design and implement high-performance ClickHouse environments Drive the migration of analytical databases to ClickHouse with minimal disruption Manage database query optimisation for scalability and performance Operate … and fault tolerance Develop and maintain backup, disaster recovery, and data security strategies Collaborate with teams to align database solutions with business goals Monitor performance with Prometheus and Grafana , addressing issues proactively Implement best practices for data modelling and processing Guide and mentor junior developers in ClickHouse best practices … troubleshooting The Successful Applicant The successful candidate will have: Extensive experience with ClickHouse in a production environment Proficiency in Linux/Unix and database performance optimisation Strong knowledge of query optimisation , data modelling , and ETL Experience with DevOps tools (Jenkins, Ansible) and CI/CD pipelines Solid More ❯

ideal candidate will be familiar with Terraform, DevOps practices, and the use of RMAN for Oracle database backups. This position involves database design, deployment, optimisation, automation, performance tuning, and incident resolution. Collaboration with developers, architects, and DevOps teams is essential to ensure that data infrastructure meets business needs … databases. Integrate database management into CI/CD pipelines using tools like GitLab CI or GitHub Actions. Use CloudWatch or other tools to monitor performance, database health, and availability. Collaborate with DevOps, Security, and Engineering teams to align database strategies with overall platform architecture. Troubleshoot complex incidents and optimise … PostgreSQL. Experience with Aurora PostgreSQL or Oracle Goldengate. Proficiency in SQL, PL/SQL, and understanding of PostgreSQL functions and extensions. Skills in SQL performance optimisation including indexing strategies, execution plan analysis, and understanding database internals. Exposure to automation tools like Terraform, CloudFormation, Ansible, or scripting in Python More ❯

hardware options and cloud platforms (AWS, Azure, or Google Cloud). Knowledge of containerization technologies (Docker, Kubernetes). Understanding of microservices architecture. Experience with performance optimization and scalability. Contributions to open-source projects. Strong proficiency in at least one major programming language (e.g., Python, Java, C++, JavaScript) Experience with More ❯

hardware options and cloud platforms (AWS, Azure, or Google Cloud). Knowledge of containerization technologies (Docker, Kubernetes). Understanding of microservices architecture. Experience with performance optimization and scalability. Contributions to open-source projects. 5+ years of professional software development experience. Strong proficiency in at least one major programming language More ❯

hardware options and cloud platforms (AWS, Azure, or Google Cloud). Knowledge of containerization technologies (Docker, Kubernetes). Understanding of microservices architecture. Experience with performance optimization and scalability. Contributions to open-source projects. 5+ years of professional software development experience. Strong proficiency in at least one major programming language More ❯

of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content … Update and maintain website content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX … customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating More ❯

of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development: Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content … Update and maintain website content in alignment with branding and SEO strategies. Responsive Design: Ensure a flawless user experience across all devices and browsers. Performance Optimisation: Optimise website performance, including loading speed, code structure, and accessibility. Collaboration: Work with team members to enhance various aspects of UX … customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience Proven track record as a WordPress developer, with a portfolio demonstrating More ❯

of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development : Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content … Update and maintain website content in alignment with branding and SEO strategies. Responsive Design : Ensure a flawless user experience across all devices and browsers. Performance Optimisation : Optimise website performance, including loading speed, code structure, and accessibility. Collaboration : Work with team members to enhance various aspects of UX … customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience: Proven track record as a WordPress developer, with a portfolio demonstrating More ❯

Typescript, Kotlin Strong knowledge of data orchestration technologies - e.g., Apache Airflow, Dagster, AWS Step Functions Understanding of ETL/ELT workflows, data modeling, and performance optimization for both batch and real-time processing. Commitment to Diversity, Equity, and Inclusion: At T. Rowe Price, our associates are our greatest asset. More ❯

with Web Rendering approaches such as SSG, ISR, SSR, CSR and hybrid approaches. Experience developing PWAs, Web workers and Web APIs. Experience in Webapp performance optimisation, scalability, profiling and testing. Data Engineering & Architecture Familiarity with TensorFlow, PyTorch, or other relevant AI/ML frameworks Security and compliance design More ❯

on distributed GPU clusters (Slurm, Ray, Kubeflow, or AWS SageMaker). Optimize model‑serving (Triton, vLLM, TorchServe) for low‑latency, high‑throughput inference. Cost & Performance Optimization Track cloud spend, right‑size resources, and introduce autoscaling strategies (Karpenter, Cluster‑Autoscaler, HPA/VPA). Champion FinOps best practices and forecasting. More ❯

on distributed GPU clusters (Slurm, Ray, Kubeflow, or AWS SageMaker). Optimize model‑serving (Triton, vLLM, TorchServe) for low‑latency, high‑throughput inference. Cost & Performance Optimization Track cloud spend, right‑size resources, and introduce autoscaling strategies (Karpenter, Cluster‑Autoscaler, HPA/VPA). Champion FinOps best practices and forecasting. More ❯

Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and More ❯

Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and More ❯

a plus Knowledge and hands on experience in CI/CD solutions would be a plus Strong experience in all aspects of client-side performance optimization, Extremely proficient in modern coding and design practices. For example, Clean Code, SOLID principals, and TDD Experience in multiple front-end platforms including More ❯

a plus Knowledge and hands on experience in CI/CD solutions would be a plus Strong experience in all aspects of client-side performance optimization, Extremely proficient in modern coding and design practices. For example, Clean Code, SOLID principals, and TDD Experience in multiple front-end platforms including More ❯

platform . You'll lead a small, elite team of developers, working at the intersection of IT and the trading business to deliver high-performance, real-time trading solutions. Key Responsibilities: Serve as the technical lead for a core team of 3-6 developers, providing mentorship, leadership, and technical … direction. Drive the design and development of low-latency, high-performance algorithmic and electronic trading systems. Collaborate directly with trading desks, business stakeholders, and IT teams to translate business requirements into functional, scalable solutions. Build components such as order placement, routing, pricing engines, exchange connectivity, and market data ingestion … productivity. Technical Requirements: Expert-level C++ development experience (10+ years) with strong grasp of modern C++ standards, object-oriented design, data structures, and algorithmic performance optimisation . Proven track record building real-time , low-latency , multi-threaded trading systems . Experience with exchange connectivity protocols (e.g., ICE, CME More ❯

platform . You'll lead a small, elite team of developers, working at the intersection of IT and the trading business to deliver high-performance, real-time trading solutions. Key Responsibilities: Serve as the technical lead for a core team of 3-6 developers, providing mentorship, leadership, and technical … direction. Drive the design and development of low-latency, high-performance algorithmic and electronic trading systems. Collaborate directly with trading desks, business stakeholders, and IT teams to translate business requirements into functional, scalable solutions. Build components such as order placement, routing, pricing engines, exchange connectivity, and market data ingestion … productivity. Technical Requirements: Expert-level C++ development experience (10+ years) with strong grasp of modern C++ standards, object-oriented design, data structures, and algorithmic performance optimisation . Proven track record building real-time , low-latency , multi-threaded trading systems . Experience with exchange connectivity protocols (e.g., ICE, CME More ❯

configuration. Experience with Single Sign-On/OIDC integration and a deep understanding of OAuth, JWT/JWE/JWS. Strong skills in backend performance optimization and debugging. Knowledge of AWS SageMaker and data analytics tools. Proficiency in frameworks like TensorFlow, PyTorch, or similar. Preferred Qualifications, Capabilities, and Skills More ❯

public cloud. What you'll be doing: Effectively evolve, enhance, and modernise large-scale systems to enable rapid adaptability and continuous improvement. Improve the performance, reliability, and scalability of our .NET systems. Develop and drive automation for deployment, monitoring, and scaling of infrastructure. Build tools and processes to enable …/CD). Make data-guided decisions that impact core business metrics and processes. Solid understanding of platform and reliability engineering approaches, including observability, performance optimisation, capturing analytics, and security best practices. Drive the adoption of new technologies like Go and Python. Facilitate collaboration between teams and build … provide benefits that make your time at RVU even more enjoyable. 10% discretionary yearly bonus and yearly pay reviews (based on RVU and personal performance) A hybrid working approach with 2 in-office days per week and up to 30 days per year to "work from anywhere". Employer More ❯